I have not worked in this field for a while, but as far as I remember, it was common practice when testing for significance in logistic regression or even chi-square tests and using survey weights,
Dear all, I have encountered what seems to me a very strange behavior of S-Plus batch mode: I have a script that estimates a model with the nlsList function, then extracts the parameters and puts the
Thanks to John MacCuish who pointed out that the batch mode does not handle correctly the if..else structure. The suggested solution consists of using successive if statements without else and it act
Dear S-Plus users, I am using S-Plus 6.1 under Win XP Pro. Within a script, I am using the nlsList() function to fit nonlinear models for several groups of data. Furthermore, I am using it subsequent